1. Andy Moncsek
  2. JEEMax


JEEMax / WebClient-NOSQL / src / main / webapp / index.jsp

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<%@page contentType="text/html" pageEncoding="UTF-8" %>
<!DOCTYPE html>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Hello WebSocket</title>

    <script language="javascript" type="text/javascript">
        var wsUri = "ws://localhost:8080/WebClient-Websocket/echo";
        var websocket = new WebSocket(wsUri);
        websocket.onopen = function (evt) {
        websocket.onmessage = function (evt) {
        websocket.onerror = function (evt) {

        function init() {
            output = document.getElementById("output");

        function say_hello() {
            writeToScreen("SENT: " + nameField.value);

        function onOpen(evt) {
            writeToScreen('<span style="color: red;">CONNECTED:</span>: ');

        function onMessage(evt) {
            writeToScreen('<span style="color: red;">RECEIVED:</span>: ' + evt.data);

        function onError(evt) {
            writeToScreen('<span style="color: red;">ERROR:</span> ' + evt.data);

        function writeToScreen(message) {
            var pre = document.createElement("p");
            pre.style.wordWrap = "break-word";
            pre.innerHTML = message;

        window.addEventListener("load", init, false);
<h1>Getting Started with WebSocket!!</h1>

<div style="text-align: center;">
    <form action="">
        <input onclick="say_hello()" value="Say Hello" type="button">
        <input id="nameField" name="name" value="WebSocket" type="text"><br>
<div id="output"></div>